Home / 3,480.33-5,220.37-1,015.18

Finding the Fourth Proportional to 3,480.33, 5,220.37 and 1,015.18

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Solution

The fourth proportional to 3,480.33, 5,220.37 and 1,015.18 is: 1,522.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,480.33 : 5,220.37 = 1,015.18 : x
  2. Step 2: Convert to fraction form
    3,480.33/5,220.37 = 1,015.18/x
  3. Step 3: Cross multiply
    3,480.33x = 5,220.37 × 1,015.18
  4. Step 4: Simplify right side
    3,480.33x = 5,299,615.22
  5. Step 5: Solve for x
    x = 5,299,615.22/3,480.33
  6. Step 6: Final answer
    x = 1,522.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.